Window construction.



PATBNTED JUNE 28, 1904. E. H. LUNKEN. WINDOW CONSTRUCTION.

APPLICATION FILED JAN. 26. 1904.

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PATENTED, JUNE 28, 190

E. H. LUNKEN.

WINDOW CONSTRUCTION. APPLIUATION FILED JAN. 26, 1904.

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Patented June 28, 1904.

PATENT OFFICE.

EDMUND H. LUNKEN, OF CINCINNATI, OHIO.

wmDow CONSTRUCTION.

SPECIFICATION forming part of Letters Patent No. 763,496, dated June 28,1904.

Application filed January 26, 1904. Serial No. 190,728. (No model.)

To all whom, it may concern.-

Be it known that I, EDMUND H. LUNKEN, a citizen of the United States,residing at Cincinnati, Ohio, have invented certain newand usefulImprovements in Window Constructions, of which the following is aspecification.

My invention relates to windows of the general form disclosed inapplications for Letters Patent of the United States filed by Bernard J.Hausfeld and myself as joint inventors September 14:, 1903, No. 173,118,November 27, 1903, No. 182,860, and January 9, 1904:, Nos. 188,199 and188,200. In the type of window disclosed in said applications asecondary frame is pivotally supported in a main frame fixed in thewindow-opening, said secondary frame carrying a pair of sliding sasheswhich are balanced in suitable manner and in the case of avertically-swingingsecondary frame are interconnected by rack andpinions or associated with pinions and toothed weights, whereby aconstant balancing efl ect is maintained for all positions of thesecondary swinging frame about its pivots.

My present improvements relate to the association with the slidingsashes of the secondary swinging frame, supplemental sashes to becarried by the sliding sashes and to move as one body with the secondaryswinging frame.

The invention consists in the features and combination and arrangementof parts hereinafter described, and particularly pointed out in theclaims.

In the accompanying drawings, Figure 1 is a vertical sectional viewthrough the main and secondary swinging frame with my improvement inplace. Fig. 2 is a sectional perspective detailview. Fig. 3 is asectional perspective view of a part of the sliding and hinged sasheswith means for locking them together. Fig. 1 is a detail view in sectionof means for making a tight joint between the sliding sash and thehinged sash carried thereby. Fig. 5

is a front view of a part of a main and secondary frame with mylmprovement in place. Fig. 6 1s a detail view. Fig. 7 is a detail viewshowing the connection between the sashes whereby they operate 1nunison.

In the drawings, 1 lndicates the main frame,

which is of channeled metal and which is suitably fixed in thewindow-opening, and 2 indicates the metallic secondary or swingingframe, which is arranged within the main frame and swings about pivotsconnecting the secondary frame with the main frame. These pivots areindicated generally at 3, Fig. 5, the secondary frame in this instancebeing arranged toswing vertically about the horizontally-disposedpivots, though it will be understood that the secondary frame instead ofswinging vertically may be arranged to swing horizontally, or, in otherwords, about vertically-disposed pivots.

My present improvements relate more particularly to the employment of asupplemental sash for each of the sliding sashes, such a combinationbeing particularly desired in winter time to keep out the extreme cold.In carrying out my invention I combine with each sliding sash asupplemental sash connected thereto, so as to movetherewith in itssliding movement and also to partake of the general movement of thesecondary swinging frame when the same is reversed in position to permitaccess to the opposite sides of the said frame and sashes carriedthereby. The supplemental sashes are indicated at 4:, being hinged at 5to the sliding sashes, so as to swing in a horizontal plane aboutvertically-disposed pivots or hinges. There may be only one hinged sashfor each of the sliding sashes, as shown in Fig. 5, or the said hingedsash may be formed in sections, as indicated in dotted lines in saidFig. 5, the said sections when closed meeting at the central line of thesliding sash. In the present instance I have shown the hinged sash of asize to reach entirely across the sliding sash, and the hinge, as shownin Fig. 5, is located at the left-hand edge of the sashes. The hinge isformed by two eyes or sleeves 6, located at the upper and lower cornersof the swinging sash, and an intermediate elongated eye or sleeve 7,fixed on the side rail of the sliding sash, a hinged rod 8, having aknob 9 at the top, passing through the said eyes or sleeves. When thehinged sash is formed in two sections, the same construction of hinge asjust described is employed at the right-hand edge, and the sameconstruc- IOO tion may also be employed when but a single sash is usedto reach entirely across the sliding sash, excepting that in the lattercase the hinged rod 8 would of course be wanting. In this instance theelongated eye or sleeve on the sliding sash would serve as a support forthe eyes on the hinged sash and serve to center the hinged sash at thisedge and prevent vertical p ay.

As shown in Fig. 1, packing 9is interposed between the hinged andsliding sash, being suitably fixed to the hinged sash. Instead of thisform of packing a sheet-metal packing or Weather-strip may be employed,as indicated at 11 in Fig. 4:, said strip being secured between parts ofthe hinged sash and reaching across the space between the hinged sashand sliding sash in the curved form, (indicated at 11,) so as to form afree spring portion, which will accommodate itself to the space betweenthe sashes and eifectually close the same against the passage of air,dust, or other elements.

In order to hold the hinged sash in closed position, I provide a lockconsisting of a button or finger-piece 12, pivoted to a block 13, havinga shank 14 screw-threaded into the side rail of the sliding sash. Thehinged sash is provided with an opening 15 for the passage of the block18 and button 12, and when the free edge of the swinging or hinged sashhas been closed against the sliding sash the button 12 projects beyondthe hinged sash and may then be turned into the position shown in Fig. 3to engage the sash and hold the same in place.

In order to hold the sliding sash locked in position whether closed orslightly raised, I provide a locking-pin 16, adapted to engage openings17 in the sliding sash, the said pin being carried by a spring-arm 18,which is screwed to the bead 19 of the secondary frame. The pinhas aknob 20, and by graspingthis the pin may be drawn out against thepressure of the spring-arm 18, and the sliding sash will then beunlocked, and when the lower opening comes opposite the pin and the sameis released the lock will hold the sliding sash slightly elevated.

It will be seen from the above that the supplemental sash arranged asdescribed does not interfere in any way with the use and operation ofthe window, as fully disclosed in the applications above mentioned, forthe supple- The inner face of the upper sash may also be cleaned, andthen by reversing the secondary frame the same operation may be gonethrough, and the upper sash, which is now in its reversed and lowermostposition, may be cleaned on the outside, as well as both sides of theupper hinged sash, and the outer face of the lower sliding sash, whichis now in its reversed and uppermost position.

By my construction I gain several advantages over the old method ofdouble windows.

First. The supplemental sash can be attached to or taken from the guidedsash without much d ifficulty and without marring the appearance of thesliding sash, the only part remaining on the sliding sash being thepieces 7 of the hinge, and they being long and cylindrical present theappearance of beads. The lock 13 is unscrewed from the sliding sash anda plug inserted to fill up the hole in the sash.

Second. Both the swinging and sliding sash are operated together, and aperfect circulation of air is assured, and, third, the inner and outersurfaces of both sash can be easily cleaned without the necessity ofremoving the secondary sashes.

Broadly speaking, my invention includes a supplemental sash hinged to amain sash, which in turn has a pivotal connection with the main frame,enabling it to be set in different inclined positions in the main frame,or, as in the present embodiment of my invention, the main sash may bereversed.

I do not limit myself to the manner of pivotally supporting the mainsash'in the main frame nor to whether the supplemental sash is supportedon the inner or outer side of the main sash, except as hereinafter notedin the claims. Again, whileIhave shown the swinging sash hinged at thesides of sliding sash I do not limit myself in this respect.

Fig. 7 shows a pinion 21 journaled in the frame and engaging racks 22 onthe sashes, whereby the sashes balance each other.

I claim as my invention- 1. In combination with a main frame, aseeondaryframe swinging in the main frame, a sash mounted therein, and asecondary sash hinged to the first-named sash, substantially asdescribed.

2. In combination with a main frame, a secondary frame swinging in themain frame, sliding sashes carried by the secondary frame, and hingedsashes carried by the sliding sashes, substantially as described.

3. In combination, a main frame, a secondary frame swinging in the mainframe, sliding sashes carried by the swinging frame, a hinged sash onthe inner side of the lower sliding sash and a hinged sash on the outerside of the upper sliding sash, substantially as described.

4- In combination with a main frame, a secondary frame swinging therein,sliding sashes carried by the secondary frame, supplemental sasheshingedto the sliding sashes, a packing interposed between each hingedsash and the sliding sash with which it is associated, substantially asdescribed. 1

5. In combination with a mainframe, a secondary frame swinging therein,sliding sashes carried by the secondary frame, supplemental sasheshinged to the sliding sashes and means for operating the sashes inunison, substantially as described.

6. In combination with a main frame, a secondary frame swinging therein,sliding sashes carried by the secondary frame, supplemental sasheshinged to the sliding sashes, racks on EDMUND H. LUNKEN.

WVitnesses:

SAM. L. MoYER, BERNARD J. HAUsFELD.

